What equipment would you use for a liter of water 85 Celsius?

To heat a liter of water to 85 degrees Celsius, you would use a reliable heat source such as an electric kettle or a stovetop pot. A thermometer would be helpful to monitor the water temperature accurately. If precise temperature control is required, an immersion heater or a sous vide machine can also be utilized. Always ensure safety precautions are followed to prevent burns or overheating.